The bowhead whale (Balaena mysticetus) is found in the icy waters of the Arctic. These are the longest-living mammals; some bowhead whales live for over 200 years. That's older than many countries' ...
Killer whales are presumed to be polygamous, but do not breed within their own pods. LIFE CYCLE: Male killer whales generally live 35 years in the wild. Females are longer lived, averaging 50 years ...